4. Recording, communication, or information retrieval equipment
  5. Computer, data processor equipment
  6. Element or attachment

Roger Stewart

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Ergonomic arm support for computer operators

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Element or attachment
Design Patent

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Hierarchical electronic watermarks and method of use

Communications: electrical – Selective – Interrogation response
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3060098

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